During World War II, a South Seas wanderer is compelled by the Australian navy to act as a sky observer on a small island, where he finds himself in charge of six refugee schoolchildren and their headmistress.

The Duke leads a regiment of Kentucky riflemen through a French settlement, falls in love with a general's lovely daughter, and locks horns with a rival suitor who has a nefarious land-grabbing scheme up his sleeve. The courtship battle escalates into a full-scale frontier war.

Between skirmishes with the Apache on the Mexican border, Lt. Col. Kirby Yorke seeks reconciliation with his estranged wife and son.

Retelling of America's westward expansion focusing on the final confrontation between General George Armstrong Custer, Sitting Bull, Crazy Horse and their armiesat the Little Bighorn.